package cn.hnh.utils;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

public class CookieUtils {

    public static Cookie getCookie(Cookie[] cookies, String key) {
        Cookie cookie=null;
        if (null != cookies && cookies.length > 0) {
             for (Cookie c : cookies) {
                if (key.equals(c.getName())) {
                    cookie=c;
                    break;
                }
             }
        }
        return cookie;
    }
    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }
}
